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Numerical simulation of 2D hydrodynamic impact of wedge and ship section at variable velocity

机译:楔形和船形截面二维水动力冲击的数值模拟

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A commercial CFD code Fluent 6.3? is used to simulate non-linear free surface flow and compute the impact load during variable velocity water entry of 2D wedge and ship section. The code uses the finite volume method to solve the conservation of mass and momentum equations to obtain simulated flow field. The interface between water and air was modeled using volume of fluid (VOF) method. Wedge section with 30 degree dead-rise angle and a ship section are numerically simulated. Time history of impact force and pressures at distinct locations are predicted; and compared with existing experimental results and other numerical methods. Present numerical results compare well with experimental measurements.DOI: http://dx.doi.org/10.3329/jname.v10i1.14383
机译:商业CFD代码Fluent 6.3?用于模拟非线性自由表面流并计算二维楔形和船体截面的变速水进入过程中的冲击载荷。该代码使用有限体积法解决了质量和动量方程的守恒问题,从而获得了模拟流场。水和空气之间的界面是使用流体体积(VOF)方法建模的。数值模拟了具有30度死角的楔形段和船形段。可以预测不同位置的冲击力和压力的时间历程;并与现有的实验结果和其他数值方法进行比较。目前的数值结果与实验测量结果很好地比较.DOI:http://dx.doi.org/10.3329/jname.v10i1.14383

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